Morpheme
-idium
Type
suffix
Denotation
(1) diminutive suffix; (2) taxonomic suffix usually naming genuses; (3) scientific suffix for naming bodily structures, organs, cellular processes
Etymology
Ancient Greek -ídion
Evidence
Aecidium, Armadillidium, autobasidium, basidium, brachidium, chilidium, chromidium, Clostridium, Cryptosporidium, Dipylidium, epibasidium, glochidium, gonidium, holobasidium, hypobasidium, Lagidium, limbidium, metabasidium, ommatidium, phragmobasidium, phyllidium, Plagiochilidium, probasidium, Saccogynidium, Scorpidium, Scyphidium, spermidium, Stephaniellidium, Thuidium, thyridium, Trombidium